NATO allies met on Dec. 30 to address the security of critical infrastructure in the Baltic Sea, following damage to undersea cables connecting Estonia and Finland several days earlier.

NATO member states have decided to enhance the bloc’s military presence in the Baltic Sea. The decision was made to protect critical infrastructure following recent damage to underwater cables connecting Estonia and Finland,

NATO said on Friday it would boost its presence in the Baltic Sea after the suspected sabotage this week of an undersea power cable and four internet cables, while alliance member Estonia launched a naval operation to guard a parallel electricity link.